Merge pull request #742 from micro/unlock

unlock before sending the message to avoid deadlock
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Asim Aslam 2019-09-06 17:06:39 +01:00 committed by GitHub
commit 48a3e51aca
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@ -963,26 +963,32 @@ func (n *network) close() error {
// Close closes network connection
func (n *network) Close() error {
// lock this operation
n.Lock()
defer n.Unlock()
if !n.connected {
n.Unlock()
return nil
}
select {
case <-n.closed:
n.Unlock()
return nil
default:
// TODO: send close message to the network channel
close(n.closed)
// set connected to false
n.connected = false
// unlock the lock otherwise we'll deadlock sending the close
n.Unlock()
// send close message only if we managed to connect to NetworkChannel
log.Debugf("Sending close message from: %s", n.options.Id)
if err := n.sendMsg("close", NetworkChannel); err != nil {
log.Debugf("Network failed to send close message: %s", err)
}
// TODO: send close message to the network channel
close(n.closed)
// set connected to false
n.connected = false
}
return n.close()